target/linux/layerscape/patches-5.4/701-net-0227-enetc-Fix-if_mode-extraction.patch

From 7b75e86c2cfc9fa48b582b04e939f18a54bdfa2e Mon Sep 17 00:00:00 2001
From: Claudiu Manoil <claudiu.manoil@nxp.com>
Date: Tue, 13 Aug 2019 13:59:24 +0300
Subject: [PATCH] enetc: Fix if_mode extraction

If if_mode not found then just handle it as fixed link
(i.e mac2mac connection).

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
---
 drivers/net/ethernet/freescale/enetc/enetc_pf.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

--- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
@@ -754,6 +754,7 @@ static int enetc_of_get_phy(struct enetc
 	struct enetc_pf *pf = enetc_si_priv(priv->si);
 	struct device_node *np = priv->dev->of_node;
 	struct device_node *mdio_np;
+	int phy_mode;
 	int err;
 
 	if (!np) {
@@ -787,17 +788,11 @@ static int enetc_of_get_phy(struct enetc
 		}
 	}
 
-	priv->if_mode = of_get_phy_mode(np);
-	if ((int)priv->if_mode < 0) {
-		dev_err(priv->dev, "missing phy type\n");
-		of_node_put(priv->phy_node);
-		if (of_phy_is_fixed_link(np))
-			of_phy_deregister_fixed_link(np);
-		else
-			enetc_mdio_remove(pf);
-
-		return -EINVAL;
-	}
+	phy_mode = of_get_phy_mode(np);
+	if (phy_mode < 0)
+		priv->if_mode = PHY_INTERFACE_MODE_NA; /* fixed link */
+	else
+		priv->if_mode = phy_mode;
 
 	return 0;
 }